[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.

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howtos:hardware:cpu_frequency_scaling [2013/12/16 23:53 (UTC)] – [Sources] metaschimahowtos:hardware:cpu_frequency_scaling [2013/12/19 02:27 (UTC)] – [Kernel Config Requirements] metaschima
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         * x86 CPU frequency scaling drivers         * x86 CPU frequency scaling drivers
           * Intel P state control (X86_INTEL_PSTATE [=n])\\ This driver is mutually exclusive with CONFIG_X86_ACPI_CPUFREQ. It is a newer driver for Sandy Bridge processors and [[https://www.linuxquestions.org/questions/slackware-14/slackware-64bit-14-1-rc-kernel-3-10-16-and-virtualbox-4175481316/|may cause problems]].           * Intel P state control (X86_INTEL_PSTATE [=n])\\ This driver is mutually exclusive with CONFIG_X86_ACPI_CPUFREQ. It is a newer driver for Sandy Bridge processors and [[https://www.linuxquestions.org/questions/slackware-14/slackware-64bit-14-1-rc-kernel-3-10-16-and-virtualbox-4175481316/|may cause problems]].
-          * Processor Clocking Control interface driver (CONFIG_X86_PCC_CPUFREQ)\\ This is only required for HP ProLiant servers, which using this interface. Otherwise, disable it.+          * Processor Clocking Control interface driver (CONFIG_X86_PCC_CPUFREQ)\\ This is only required for HP ProLiant servers, which use this interface. Otherwise, disable it.
           * ACPI Processor P-States driver (CONFIG_X86_ACPI_CPUFREQ [=y])\\ This is the recommended driver for newer CPUs Intel (Enhanced) Speedstep enabled and AMD K10 and newer.           * ACPI Processor P-States driver (CONFIG_X86_ACPI_CPUFREQ [=y])\\ This is the recommended driver for newer CPUs Intel (Enhanced) Speedstep enabled and AMD K10 and newer.
           * AMD Opteron/Athlon64 PowerNow! (CONFIG_X86_POWERNOW_K8)\\ This is for K8/early Opteron/Athlon64 processors.           * AMD Opteron/Athlon64 PowerNow! (CONFIG_X86_POWERNOW_K8)\\ This is for K8/early Opteron/Athlon64 processors.
 howtos:hardware:cpu_frequency_scaling ()